package com.wyz.web;

import com.wyz.dao.PageDao;
import com.wyz.entity.UserInfo;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

@WebServlet("/page")
public class PageServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        resp.setContentType("text/html;charset=utf-8");
        String index = req.getParameter("index");
        req.setAttribute("index",index);
        PageDao pd = new PageDao();
        List<UserInfo> list = pd.selectPage(Integer.parseInt(index));
        System.out.println();
        if (list.size()!=0){
            req.setAttribute("list",list);
            req.getRequestDispatcher("queryStu1.jsp").forward(req,resp);
        }else{
            PrintWriter pw = resp.getWriter();
            pw.println("页码错误");
        }
    }
}
